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SRFI 199: POSIX errno manipulation
Arthur A. Gleckler
(26 Jun 2020 02:31 UTC)
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Re: SRFI 199: POSIX errno manipulation
John Cowan
(26 Jun 2020 02:39 UTC)
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Re: SRFI 199: POSIX errno manipulation Marc Nieper-Wißkirchen (26 Jun 2020 06:02 UTC)
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Re: SRFI 199: POSIX errno manipulation
hga@xxxxxx
(26 Jun 2020 14:44 UTC)
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Re: SRFI 199: POSIX errno manipulation
Marc Nieper-Wißkirchen
(26 Jun 2020 15:22 UTC)
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Re: SRFI 199: POSIX errno manipulation
John Cowan
(27 Jun 2020 04:03 UTC)
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Re: SRFI 199: POSIX errno manipulation
Shiro Kawai
(27 Jun 2020 09:52 UTC)
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Re: SRFI 199: POSIX errno manipulation
Shiro Kawai
(27 Jun 2020 09:53 UTC)
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Re: SRFI 199: POSIX errno manipulation
hga@xxxxxx
(27 Jun 2020 10:55 UTC)
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Re: SRFI 199: POSIX errno manipulation
Shiro Kawai
(27 Jun 2020 11:12 UTC)
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Re: SRFI 199: POSIX errno manipulation
Lassi Kortela
(27 Jun 2020 11:26 UTC)
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Re: SRFI 199: POSIX errno manipulation
John Cowan
(27 Jun 2020 14:47 UTC)
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Re: SRFI 199: POSIX errno manipulation
hga@xxxxxx
(27 Jun 2020 15:05 UTC)
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Re: SRFI 199: POSIX errno manipulation
Lassi Kortela
(27 Jun 2020 15:12 UTC)
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Re: SRFI 199: POSIX errno manipulation
hga@xxxxxx
(27 Jun 2020 15:40 UTC)
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Re: SRFI 199: POSIX errno manipulation
Lassi Kortela
(27 Jun 2020 15:47 UTC)
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Re: SRFI 199: POSIX errno manipulation
Shiro Kawai
(27 Jun 2020 17:51 UTC)
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Re: SRFI 199: POSIX errno manipulation
John Cowan
(27 Jun 2020 15:49 UTC)
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Am Fr., 26. Juni 2020 um 04:39 Uhr schrieb John Cowan <xxxxxx@ccil.org>: The Scheme runtime system may change the errno value outside of user-controlled code, so the errno of SRFI 199 cannot map directly to the errno of the C library. For example, the Scheme system may call a number of C procedures setting errno while compiling code dynamically or run a GC. And both can happen, in principle, happen between `set-errno!' and `errno'. Thus, as currently written, the specification doesn't help too much. SRFI 199's errno has to be abstracted (or SRFI 199 has to require that the runtime system of supporting implementations has to be rewritten in such a way that any change to errno is not visible to user code).
